IHI VF 39 turbo Anybody
07-08-2007, 07:54 PM
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IHI VF 39 turbo Anybody
i have a crx with a stock b18c, and have everything i need for boost. the turbo i have is an IHI vf 39 (Stock 06 Sti turbo) anybody here ever experiment with this turbo. Is it a good idea to use this turbo. i'm just worried it might run out of flow at 7500rpm. the sti runs 14psi stock but i only plan on running 9psi. let me know what you think.
07-09-2007, 10:04 AM
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They fall off boost in the STI, it will run out of breath in your car man. I had an 06 STI for a while, it was good on the bottom end but ran out of breath really quick.
07-09-2007, 10:53 AM
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After about 6000 RPMs, the power band on the STi starts to fall really quickly. Knowing that the STi is a 2.5L motor, you can probably calculate the CFM and see how that correlates to your B18 motor at 8000 RPMs.
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